:root {
  --bg: #f5f6fa;
  --surface: #ffffff;
  --surface-2: #fafbfd;
  --border: #e3e6ee;
  --text: #1a1f36;
  --text-muted: #5a6478;
  --text-soft: #8a93a6;
  --primary: #2d3a8c;
  --primary-soft: #eef0fb;
  --accent: #c19a3b;
  --accent-soft: #fbf6e7;
  --ok: #1f7a3d;
  --ok-soft: #e6f4ec;
  --warn: #b25a00;
  --warn-soft: #fdf0e1;
  --high: #a52034;
  --high-soft: #fbe8eb;
  --shadow: 0 1px 2px rgba(20, 25, 50, .04), 0 4px 12px rgba(20, 25, 50, .04);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.center { text-align: center; }
.scroll-x { overflow-x: auto; }

footer {
  text-align: center;
  padding: 24px;
  color: var(--text-soft);
  font-size: 12px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}